Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
R00Abnormalities of heart beat
Excludes 1: abnormalities originating in the perinatal period (P29.1-)
Excludes 2: specified arrhythmias (I47-I49)
R00.0Tachycardia, unspecified
› Rapid heart beat
› Sinoauricular tachycardia NOS
› Sinus [sinusal] tachycardia NOS
Excludes 1: inappropriate sinus tachycardia, so stated (I47.11)
› neonatal tachycardia (P29.11)
› paroxysmal tachycardia (I47.-)
R00.1Bradycardia, unspecified
› Sinoatrial bradycardia
› Sinus bradycardia
› Slow heart beat
› Vagal bradycardia
Use Additional Code: code for adverse effect, if applicable, to identify drug (T36-T50) with fifth or sixth character 5)
Excludes 1: neonatal bradycardia (P29.12)
R00.2Palpitations
› Awareness of heart beat
R00.8Other abnormalities of heart beat
R00.9Unspecified abnormalities of heart beat
R01Cardiac murmurs and other cardiac sounds
Excludes 1: cardiac murmurs and sounds originating in the perinatal period (P29.8)
R01.0Benign and innocent cardiac murmurs
› Functional cardiac murmur
R01.1Cardiac murmur, unspecified
› Cardiac bruit NOS
› Heart murmur NOS
› Systolic murmur NOS
R01.2Other cardiac sounds
› Cardiac dullness, increased or decreased
› Precordial friction
R03Abnormal blood-pressure reading, without diagnosis
R03.0Elevated blood-pressure reading, without diagnosis of hypertension
This category is to be used to record an episode of elevated blood pressure in a patient in whom no formal diagnosis of hypertension has been made, or as an isolated incidental finding.
R03.1Nonspecific low blood-pressure reading
Excludes 1: hypotension (I95.-)
› maternal hypotension syndrome (O26.5-)
› neurogenic orthostatic hypotension (G90.3)
R04Hemorrhage from respiratory passages
R04.0Epistaxis
› Hemorrhage from nose
› Nosebleed
R04.1Hemorrhage from throat
Excludes 2: hemoptysis (R04.2)
R04.2Hemoptysis
› Blood-stained sputum
› Cough with hemorrhage
R04.8Hemorrhage from other sites in respiratory passages
R04.81Acute idiopathic pulmonary hemorrhage in infants
› AIPHI
› Acute idiopathic hemorrhage in infants over 28 days old
Excludes 1: perinatal pulmonary hemorrhage (P26.-)
› von Willebrand disease (D68.0-)
R04.89Hemorrhage from other sites in respiratory passages
› Pulmonary hemorrhage NOS
R04.9Hemorrhage from respiratory passages, unspecified
R05Cough
Excludes 1: paroxysmal cough due to Bordetella pertussis (A37.0-)
› smoker's cough (J41.0)
Excludes 2: cough with hemorrhage (R04.2)
R05.1Acute cough
R05.2Subacute cough
R05.3Chronic cough
› Persistent cough
› Refractory cough
› Unexplained cough
R05.4Cough syncope
Code First: syncope and collapse (R55)
R05.8Other specified cough
R05.9Cough, unspecified
R06Abnormalities of breathing
Excludes 1: acute respiratory distress syndrome (J80)
› respiratory arrest (R09.2)
› respiratory arrest of newborn (P28.81)
› respiratory distress syndrome of newborn (P22.-)
› respiratory failure (J96.-)
› respiratory failure of newborn (P28.5)
R06.0Dyspnea
Excludes 1: tachypnea NOS (R06.82)
› transient tachypnea of newborn (P22.1)
R06.00Dyspnea, unspecified
R06.01Orthopnea
R06.02Shortness of breath
R06.03Acute respiratory distress
R06.09Other forms of dyspnea
R06.1Stridor
Excludes 1: congenital laryngeal stridor (P28.89)
› laryngismus (stridulus) (J38.5)
R06.2Wheezing
Excludes 1: Asthma (J45.-)
R06.3Periodic breathing
› Cheyne-Stokes breathing
R06.4Hyperventilation
Excludes 1: psychogenic hyperventilation (F45.8)
R06.5Mouth breathing
Excludes 2: dry mouth NOS (R68.2)
R06.6Hiccough
Excludes 1: psychogenic hiccough (F45.8)
R06.7Sneezing
R06.8Other abnormalities of breathing
R06.81Apnea, not elsewhere classified
› Apnea NOS
Excludes 1: apnea (of) newborn (P28.4-)
› sleep apnea (G47.3-)
› sleep apnea of newborn (primary) (P28.3-)
R06.82Tachypnea, not elsewhere classified
› Tachypnea NOS
Excludes 1: transitory tachypnea of newborn (P22.1)
R06.83Snoring
R06.89Other abnormalities of breathing
› Breath-holding (spells)
› Sighing
R06.9Unspecified abnormalities of breathing
R07Pain in throat and chest
Excludes 1: epidemic myalgia (B33.0)
Excludes 2: jaw pain R68.84
› pain in breast (N64.4)
R07.0Pain in throat
Excludes 1: chronic sore throat (J31.2)
› sore throat (acute) NOS (J02.9)
Excludes 2: dysphagia (R13.1-)
› pain in neck (M54.2)
R07.1Chest pain on breathing
› Painful respiration
R07.2Precordial pain
R07.8Other chest pain
R07.81Pleurodynia
› Pleurodynia NOS
Excludes 1: epidemic pleurodynia (B33.0)
R07.82Intercostal pain
R07.89Other chest pain
› Anterior chest-wall pain NOS
R07.9Chest pain, unspecified
R09Other symptoms and signs involving the circulatory and respiratory system
Excludes 1: acute respiratory distress syndrome (J80)
› respiratory arrest of newborn (P28.81)
› respiratory distress syndrome of newborn (P22.0)
› respiratory failure (J96.-)
› respiratory failure of newborn (P28.5)
R09.0Asphyxia and hypoxemia
Excludes 1: asphyxia due to carbon monoxide (T58.-)
› asphyxia due to foreign body in respiratory tract (T17.-)
› birth (intrauterine) asphyxia (P84)
› hyperventilation (R06.4)
› traumatic asphyxia (T71.-)
Excludes 2: hypercapnia (R06.89)
R09.01Asphyxia
R09.02Hypoxemia
R09.1Pleurisy
Excludes 1: pleurisy with effusion (J90)
R09.2Respiratory arrest
› Cardiorespiratory failure
Excludes 1: cardiac arrest (I46.-)
› respiratory arrest of newborn (P28.81)
› respiratory distress of newborn (P22.0)
› respiratory failure (J96.-)
› respiratory failure of newborn (P28.5)
› respiratory insufficiency (R06.89)
› respiratory insufficiency of newborn (P28.5)
R09.3Abnormal sputum
› Abnormal amount of sputum
› Abnormal color of sputum
› Abnormal odor of sputum
› Excessive sputum
Excludes 1: blood-stained sputum (R04.2)
R09.8Other specified symptoms and signs involving the circulatory and respiratory systems
R09.81Nasal congestion
R09.82Postnasal drip
R09.89Other specified symptoms and signs involving the circulatory and respiratory systems
› Abnormal chest percussion
› Bruit (arterial)
› Chest tympany
› Choking sensation
› Friction sounds in chest
› Rales
› Weak pulse
Excludes 2: foreign body in throat (T17.2-)
› wheezing (R06.2)
R09.AForeign body sensation of the circulatory and respiratory system
R09.A0Foreign body sensation, unspecified
R09.A1Foreign body sensation, nose
R09.A2Foreign body sensation, throat
› Foreign body sensation globus
R09.A9Foreign body sensation, other site